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Old 06-14-2017, 03:02 PM   #11
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Originally Posted by sourdough View Post
Just for grins you may want to keep a close eye on them. My Trailer Kings were made in Shandong province as well. Can't remember the plant and my post that had that information is long gone from the previous posts. Just an fyi.
Im watching them close as well as running my TST 507 system. The weight rating on them is way overkill for my 5er with a combined weight rating of over 16k lbs and having less than 12k weight on wheels. I know the yearly degradation of tires so the 3rd or 4th year will be more critical. I won't go beyond 4 years on tires


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Old 06-14-2017, 05:57 PM   #12
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Originally Posted by bsmith0404 View Post
The plant code is PP which is Shandong Guofeng Rubber and Plastic Co Ltd, Dawang Town, Guangrao China. So yes, like many tires these days they are made in China. I'm hoping Discount Tire has some oversight on them to make sure they are a good product since it's an exclusive Tire for them. Time will tell, but so far I like them. They are a very heavy tire with a nice solid sidewall, especially when compared to the OE Trailer Kings.

Shandong Guofeng Rubber Plastics Co.,Ltd was founded in 1994, and now has 2 subsidairies, covering products of Radial Tyres abd Bias Tyres,for Cars,light trucks, trailers, trucks, agricultural autos etc.

Certificates: ECE, DOT, CCC, ISO/TS16949, INMETRO, SNI...

The ISO/TS16949 is an ISO technical specification aimed at the development of a quality management system that provides for continual improvement, emphasizing defect prevention and the reduction of variation and waste in the automotive industry supply chain.

("variation and waste in the automotive industry supply chain"). In other words, they are allowed to use about 25% recycled tire rubber in the production of new tires.

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Old 06-13-2018, 07:57 AM   #13
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Any new update to give?

Originally Posted by bsmith0404 View Post
Mid trip report with right around 1000 miles. The tires performed great so far. Temps ran up to 8-12 degrees above ambient temps, that was towing across AZ on blacktop in triple digits temps towing at 65-67 mph. The pressures rose the same amount which was 10-15% of cold pressure settings. So far I'm very impressed with these tires and glad I made the purchase. Looks like Discount Tire is giving us a good ST option at a much better price than some other brands.
Hi all,

I am brand new to the forum. I bought a 3710FL Montana in June 2016. I had a blowout south of Atlanta on I75 a few of weeks ago running on the OE TrailerKings. There were two others that were about to blow when it happened. Luckily it was probably the only tire that could blow without causing anything more than cosmetic damage.

In my hast to get back on the road I replaced my tires with a new set of E load rated/L speed rated tires. I am currently considering an upgrade to G load rated tires. I too am a Discount Tire patron & am considering the Hartland ST Radial All Steel ST235/85R16 129M. Can you give an update on how yours are doing? Also, do I need to replace my OE wheels if I want to go to these tires?

Thanks for any help anyone can provide.
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Old 06-13-2018, 08:14 AM   #14
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Just for comparisons, I am out on the road driving south from KY to the gulf shores of MS. With the same Sendel wheel and the Sailuns, run 125 +/- 1 psi between the 4 tires at 70mph (110psi cold inflation). Temp is right around 100F with it being 90+ ambient. All 4 tires run very consistent with each other.

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